REPOET 



NATURAL HISTORY COLLECTIONS 



BETWEEN THE YEARS 1877 AND 1881 



EDWAED W. NELSON. 



EDITED BY HENRY 'W. HENSHA"W. 



PREPAEED UNDER THE DIRECTION OF THE CHIEF SIGNAL OFFICER. 



No. III. 



ARCTIC SERIES OF PUBLICATIONS ISSUED IN CONNECTION WITH THE SIGNAL SERVICE, U. 8. ARMY. 



WITH 21 PLATES. 



WASHINGTON: 

 GOVERNMENT PRINTING- OFFICE. 



1887. 



